Porosities and pore sizes in coralline calcium carbonate
Porosities and pore sizes in coralline calcium carbonate
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DOI：
10.1016/j.matchar.2007.12.002
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发表时间：
2008-10-01
影响因子：
4.7
通讯作者：
Yunes, Simon
中科院分区：
文献类型：
--
作者：
Laine, Jorge;Labady, Mary;Yunes, Simon
珊瑚作为一种潜在的骨移植替代材料，近年来受到越来越多的关注。采用汞侵入法和显微法研究了8种不同珊瑚外骨骼的孔隙率和孔径分布。根据孔隙度建立了两组分类：l型，孔隙度低（20 vol.%）。根据文献，20 vol.%的孔隙率似乎是外科手术成功应用骨移植替代材料的较低孔隙率限制。三种h型物种的孔径分布都很明确，每一种物种的中位孔径都有不同的数量级：Porites（2阶）、Millepora（1阶）和Manicina（0阶）。显微镜检查后显示管状和狭缝孔隙的几何形状。(C) 2007爱思唯尔公司版权所有。
Coral is a material that recently has gained increased attention as a potential bone graft substitute material. The porosity and pore size distribution of the exoskeleton of eight different coral species were investigated by mercury intrusion and microscopy. A classification was established comprising two groups according to porosity: L-type, having low porosity (20 vol.%). According to literature, this value of 20 vol.% seems to be a lower porosity limit for successful surgical applications as bone graft substitution material. Pore size distributions are well-defined in three H-type species, each one having a different order of magnitude for the median pore diameter: Porites (order 2), Millepora (order 1), and Manicina (order 0). Tubular and slit pore geometries were suggested after microscopy. (C) 2007 Elsevier Inc. All rights reserved.